*{
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif, ;
    box-sizing: border-box; 
    text-decoration: none;
}
body{
    overflow: hidden;
    background-color: #A9BCC3;
}
.container{
   position: relative;
   padding: 0px 50px 0px 50px;
}
@keyframes tieude1 {
    0%{transform: translateX(-200%);}
    100%{transform: translate(0%);}
}
.tieude1{
    width: 100%;
    overflow: hidden;
}
.tieude1 h1{
    color: #1B3943;
    font-weight: bolder;
    font-size: 150px;
    text-transform: uppercase;
   /* margin-left: -20px; */
    animation: tieude1 2s ease forwards normal;
    letter-spacing: 5px;
}
.tieude1 h2{
    color: #1B3943;
    font-weight: bold;
    opacity: 0.9;
    font-size: 40px;
    margin-bottom: 20px;
    animation: tieude1 2s ease forwards normal;
}
.tieude1 h3{
    color: white;
    background-color: #1B3943;
    border-radius: 50px;
    font-weight: normal;
    font-size: 50px;
    padding: 10px 20px 10px 20px;
    
    display: inline-flex;
}
@keyframes nd1 {
    0%{transform: translateX(-400%);}
    100%{transform: translate(0%);}
}
.nd1{
    height: 170px;
    display: flex;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    animation: nd1 2s ease forwards normal;
}
@keyframes hvr {
    100%{transform: translateY(-10%);}
}
@keyframes uhvr {
    0%{transform: translateY(-10%);}
    100%{transform: translateY(0%);}
}
.hvr{
    animation: hvr 0.5s ease forwards;
}
.uhvr{
    animation: uhvr 0.5s ease forwards;
}
.nd1 a {
    display: inline-block;
    vertical-align: middle;
    -webkit-transform: perspective(1px) translateZ(0);
    transform: perspective(1px) translateZ(0);
    box-shadow: 0 0 1px rgba(0, 0, 0, 0);
    -webkit-transition-duration: 0.3s;
    transition-duration: 0.3s;
    -webkit-transition-property: transform;
    transition-property: transform;
    -webkit-transition-timing-function: ease-out;
    transition-timing-function: ease-out;
  }
  .nd1 a:hover, .nd1 a:focus, .nd1 a:active {
    -webkit-transform: translateY(-8px);
    transform: translateY(-8px);
  }
/*.nd1 a:hover{
    animation: hvr 0.5s ease forwards;
}*/
button{
    text-transform: uppercase;
    color: white;
    background-color: #1B3943;
    font-weight: normal;
    font-size: 40px;
    border: 4px white solid;
    border-radius: 80px;
    margin-right: 5px;
    width: 206px;
    height: 70px;
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    margin-top: 0px;
    box-shadow: 10px 10px 10px rgba(0, 0, 0, 0.6);
    animation: nut 2s ease forwards normal;
}

button:active{ 
    transform: translateX(10px,10px);
    box-shadow: 10px 10px 10px rgba(0, 0, 0, 0);  
}

@keyframes nut {
    0%{transform: translateX(200%);}
    100%{transform: translateX(0%);}
}
.nut1{
    z-index: 2;
    text-decoration: none;
    padding-right: 20px;
    padding-bottom: 20px;
    display: flex;
    justify-content: flex-end;
    overflow: hidden;
}
.icon{
    background-color: white;
    width: 90px;
    height: 90px;
    display: flex;
    justify-content: space-around;
    align-items: center;
    transform: translate(-50%, 30%) rotate(-9deg);
    z-index: 1;
    border-radius: 30px;
}